/*
 * Licensed to Crate under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.  Crate licenses this file
 * to you under the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.  You may
 * obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 * implied.  See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial
 * agreement.
 */

package io.crate.planner.node.ddl;

import io.crate.analyze.BoundAlterTable;
import io.crate.analyze.AnalyzedAlterBlobTable;
import io.crate.analyze.SymbolEvaluator;
import io.crate.analyze.TableParameter;
import io.crate.analyze.TableParameters;
import io.crate.data.Row;
import io.crate.data.Row1;
import io.crate.data.RowConsumer;
import io.crate.execution.support.OneRowActionListener;
import io.crate.expression.symbol.Symbol;
import io.crate.metadata.table.TableInfo;
import io.crate.planner.DependencyCarrier;
import io.crate.planner.Plan;
import io.crate.planner.PlannerContext;
import io.crate.planner.operators.SubQueryResults;
import io.crate.sql.tree.AlterTable;

import java.util.function.Function;

import static io.crate.planner.node.ddl.AlterTablePlan.getTableParameter;
import static io.crate.planner.node.ddl.AlterTablePlan.maybeRaiseBlockedException;

public class AlterBlobTablePlan implements Plan {

    private final AnalyzedAlterBlobTable analyzedAlterTable;

    public AlterBlobTablePlan(AnalyzedAlterBlobTable analyzedAlterTable) {
        this.analyzedAlterTable = analyzedAlterTable;
    }

    @Override
    public StatementType type() {
        return StatementType.DDL;
    }

    @Override
    public void executeOrFail(DependencyCarrier dependencies,
                              PlannerContext plannerContext,
                              RowConsumer consumer,
                              Row params, SubQueryResults subQueryResults) {
        Function<? super Symbol, Object> eval = x -> SymbolEvaluator.evaluate(
            plannerContext.transactionContext(),
            plannerContext.nodeContext(),
            x,
            params,
            subQueryResults
        );

        TableInfo tableInfo = analyzedAlterTable.tableInfo();
        AlterTable<Object> alterTable = analyzedAlterTable.alterTable().map(eval);

        TableParameter tableParameter = getTableParameter(alterTable, TableParameters.ALTER_BLOB_TABLE_PARAMETERS);
        maybeRaiseBlockedException(tableInfo, tableParameter.settings());

        BoundAlterTable stmt = new BoundAlterTable(
            tableInfo,
            null,
            tableParameter,
            true,
            false);

        dependencies.alterTableOperation().executeAlterTable(stmt)
            .whenComplete(new OneRowActionListener<>(consumer, rCount -> new Row1(rCount == null ? -1 : rCount)));
    }
}
